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Currently there are error paths in btrfs_rm_device() where EINVAL is returned telling the user they passed an invalid argument even though they passed a valid device. Change to return EPERM instead as the operation is not permitted. Signed-off-by: Jerry Snitselaar <jerry.snitselaar@oracle.com> --- fs/btrfs/volumes.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 5cbb7f4..3e1586c 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1392,14 +1392,14 @@ int btrfs_rm_device...

Hi Jerry, On Mon, Jun 01, 2020 at 05:02:36PM -0700, Jerry Snitselaar wrote: > > Yeah, that will solve the panic. > If you still see the kdump faults, can you please try with the attached diff? I was not able to reproduce them in my setup. Regards, Joerg diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index b5ea203f6c68..5a6d509f72b6 100644...

...rgezhang@vmware.com> Georgi Vlaev <joe@nucleusys.com> Gerald Baeza <gerald.baeza@stericsson.com> Gerald Schaefer <gerald.schaefer@de.ibm.com> Gerard Cauvy <g-cauvy1@ti.com> Gerard Lledo <gerard.lledo@gmail.com> Gerard Ryan <gerard@ryan.lt> Gerard Snitselaar <dev@snitselaar.org> Gerd Hoffmann <kraxel@redhat.com> Gerlando Falauto <gerlando.falauto@keymile.com> Gernot Vormayr <gvormayr@gmail.com> Gerrit Renker <gerrit@erg.abdn.ac.uk> Gertjan van Wingerde <gwingerde@gmail.com> Gery Kahn <geryk@ti.com>...

...rgezhang@vmware.com> Georgi Vlaev <joe@nucleusys.com> Gerald Baeza <gerald.baeza@stericsson.com> Gerald Schaefer <gerald.schaefer@de.ibm.com> Gerard Cauvy <g-cauvy1@ti.com> Gerard Lledo <gerard.lledo@gmail.com> Gerard Ryan <gerard@ryan.lt> Gerard Snitselaar <dev@snitselaar.org> Gerd Hoffmann <kraxel@redhat.com> Gerlando Falauto <gerlando.falauto@keymile.com> German Myzovsky <lawyer@sipnet.ru> Gernot Vormayr <gvormayr@gmail.com> Gerrit Renker <gerrit@erg.abdn.ac.uk> Gertjan van Wingerde <gwingerde@gmai...

...rgezhang@vmware.com> Georgi Vlaev <joe@nucleusys.com> Gerald Baeza <gerald.baeza@stericsson.com> Gerald Schaefer <gerald.schaefer@de.ibm.com> Gerard Cauvy <g-cauvy1@ti.com> Gerard Lledo <gerard.lledo@gmail.com> Gerard Ryan <gerard@ryan.lt> Gerard Snitselaar <dev@snitselaar.org> Gerd Hoffmann <kraxel@redhat.com> Gerlando Falauto <gerlando.falauto@keymile.com> German Myzovsky <lawyer@sipnet.ru> Gernot Vormayr <gvormayr@gmail.com> Gerrit Renker <gerrit@erg.abdn.ac.uk> Gertjan van Wingerde <gwingerde@gmai...

...rgezhang@vmware.com> Georgi Vlaev <joe@nucleusys.com> Gerald Baeza <gerald.baeza@stericsson.com> Gerald Schaefer <gerald.schaefer@de.ibm.com> Gerard Cauvy <g-cauvy1@ti.com> Gerard Lledo <gerard.lledo@gmail.com> Gerard Ryan <gerard@ryan.lt> Gerard Snitselaar <dev@snitselaar.org> Gerd Hoffmann <kraxel@redhat.com> Gerlando Falauto <gerlando.falauto@keymile.com> German Myzovsky <lawyer@sipnet.ru> Gernot Vormayr <gvormayr@gmail.com> Gerrit Renker <gerrit@erg.abdn.ac.uk> Gertjan van Wingerde <gwingerde@gmai...

...rgezhang@vmware.com> Georgi Vlaev <joe@nucleusys.com> Gerald Baeza <gerald.baeza@stericsson.com> Gerald Schaefer <gerald.schaefer@de.ibm.com> Gerard Cauvy <g-cauvy1@ti.com> Gerard Lledo <gerard.lledo@gmail.com> Gerard Ryan <gerard@ryan.lt> Gerard Snitselaar <dev@snitselaar.org> Gerd Hoffmann <kraxel@redhat.com> Gerlando Falauto <gerlando.falauto@keymile.com> German Myzovsky <lawyer@sipnet.ru> Gernot Vormayr <gvormayr@gmail.com> Gerrit Renker <gerrit@erg.abdn.ac.uk> Gertjan van Wingerde <gwingerde@gmai...

...rgezhang@vmware.com> Georgi Vlaev <joe@nucleusys.com> Gerald Baeza <gerald.baeza@stericsson.com> Gerald Schaefer <gerald.schaefer@de.ibm.com> Gerard Cauvy <g-cauvy1@ti.com> Gerard Lledo <gerard.lledo@gmail.com> Gerard Ryan <gerard@ryan.lt> Gerard Snitselaar <dev@snitselaar.org> Gerd Hoffmann <kraxel@redhat.com> Gerlando Falauto <gerlando.falauto@keymile.com> German Myzovsky <lawyer@sipnet.ru> Gernot Vormayr <gvormayr@gmail.com> Gerrit Renker <gerrit@erg.abdn.ac.uk> Gertjan van Wingerde <gwingerde@gmai...

...rgezhang@vmware.com> Georgi Vlaev <joe@nucleusys.com> Gerald Baeza <gerald.baeza@stericsson.com> Gerald Schaefer <gerald.schaefer@de.ibm.com> Gerard Cauvy <g-cauvy1@ti.com> Gerard Lledo <gerard.lledo@gmail.com> Gerard Ryan <gerard@ryan.lt> Gerard Snitselaar <dev@snitselaar.org> Gerd Hoffmann <kraxel@redhat.com> Gerlando Falauto <gerlando.falauto@keymile.com> German Myzovsky <lawyer@sipnet.ru> Gernot Vormayr <gvormayr@gmail.com> Gerrit Renker <gerrit@erg.abdn.ac.uk> Gertjan van Wingerde <gwingerde@gmai...

...rgezhang@vmware.com> Georgi Vlaev <joe@nucleusys.com> Gerald Baeza <gerald.baeza@stericsson.com> Gerald Schaefer <gerald.schaefer@de.ibm.com> Gerard Cauvy <g-cauvy1@ti.com> Gerard Lledo <gerard.lledo@gmail.com> Gerard Ryan <gerard@ryan.lt> Gerard Snitselaar <dev@snitselaar.org> Gerd Hoffmann <kraxel@redhat.com> Gerhard Sittig <gsi@denx.de> Gerlando Falauto <gerlando.falauto@keymile.com> German Myzovsky <lawyer@sipnet.ru> Gernot Vormayr <gvormayr@gmail.com> Gerrit Renker <gerrit@erg.abdn.ac.uk> Ge...

...rgezhang@vmware.com> Georgi Vlaev <joe@nucleusys.com> Gerald Baeza <gerald.baeza@stericsson.com> Gerald Schaefer <gerald.schaefer@de.ibm.com> Gerard Cauvy <g-cauvy1@ti.com> Gerard Lledo <gerard.lledo@gmail.com> Gerard Ryan <gerard@ryan.lt> Gerard Snitselaar <dev@snitselaar.org> Gerd Hoffmann <kraxel@redhat.com> Gerhard Sittig <gsi@denx.de> Gerlando Falauto <gerlando.falauto@keymile.com> German Myzovsky <lawyer@sipnet.ru> Gernot Vormayr <gvormayr@gmail.com> Gerrit Renker <gerrit@erg.abdn.ac.uk> Ge...